Alert archive / California / 2007
Weather alerts in California, September 2007
171 weather alerts in September 2007, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 2007. Tap one for its archive.
- Alerts
- 171
- Warnings
- 104
- Watches
- 26
- Advisories
- 36
- Busiest day
- September 2, 200726 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
The alerts
Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 31, 5:52 PM PDT | Flash Flood Warning | HNX | Kern | 83 min |
| Aug 31, 6:17 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 43 min |
| Aug 31, 6:24 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 36 min |
| Aug 31, 8:16 PM PDT | Excessive Heat Warning | SGX | Riverside, San Bernardino, San Diego | 22 hr |
| Sep 1, 3:25 AM PDT | Excessive Heat Warning | SGX | Riverside, San Bernardino, San Diego | 40 hr |
| Sep 1, 3:27 AM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 16 hr |
| Sep 1, 10:15 AM PDT | Flash Flood Watch | SGX | Riverside, San Bernardino, San Diego | 8 hr |
| Sep 1, 11:12 AM PDT | Flash Flood Watch | LOX | 9 hr | |
| Sep 1, 12:52 PM PDT | Flash Flood Warning | SGX | Riverside, San Diego | 4 hr |
| Sep 1, 1:18 PM PDT | Flash Flood Warning | SGX | San Bernardino | 4 hr |
| Sep 1, 1:27 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 63 min |
| Sep 1, 2:11 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Sep 1, 2:45 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 60 min |
| Sep 1, 2:53 PM PDT | Flash Flood Warning | LOX | Los Angeles | 2 hr |
| Sep 1, 3:07 PM PDT | Flash Flood Warning | SGX | Riverside | 3 hr |
| Sep 1, 3:25 PM PDT | Flash Flood Warning | PSR | Riverside, San Bernardino | 2 hr |
| Sep 1, 3:46 PM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 59 min |
| Sep 1, 4:09 PM PDT | Tornado Warning | HNX | Kern | 36 min |
| Sep 1, 4:31 PM PDT | Tornado Warning | LOX | Los Angeles | 29 min |
| Sep 1, 4:43 PM PDT | Flash Flood Warning | HNX | Kern | 2 hr |
| Sep 1, 4:44 PM PDT | Tornado Warning | HNX | Kern | 31 min |
| Sep 1, 4:54 PM PDT | Flash Flood Warning | LOX | Los Angeles | 2 hr |
| Sep 1, 5:09 PM PDT | Tornado Warning | HNX | Kern | 51 min |
| Sep 1, 5:17 PM PDT | Tornado Warning | HNX | Kern | 26 min |
| Sep 1, 5:49 PM PDT | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 25 hr |
| Sep 2, 12:03 AM PDT | Severe Thunderstorm Warning | PSR | Imperial | 57 min |
| Sep 2, 12:58 AM PDT | Dust Storm Warning | PSR | 61 min | |
| Sep 2, 3:17 AM PDT | Excessive Heat Warning | SGX | Riverside, San Bernardino, San Diego | 40 hr |
| Sep 2, 3:45 AM PDT | Fire Weather Watch | MFR | Modoc, Siskiyou | 10 hr |
| Sep 2, 4:00 AM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 15 hr |
| Sep 2, 4:13 AM PDT | Heat Advisory | PSR | 16 hr | |
| Sep 2, 5:57 AM PDT | Fire Weather Watch | REV | Lassen, Modoc | 25 hr |
| Sep 2, 11:29 AM PDT | Flash Flood Watch | LOX | 7 hr | |
| Sep 2, 12:26 PM PDT | Flash Flood Warning | SGX | San Bernardino | 64 min |
| Sep 2, 1:18 PM PDT | Flash Flood Warning | SGX | San Bernardino | 72 min |
| Sep 2, 1:20 PM PDT | Flash Flood Warning | LOX | Los Angeles | 115 min |
| Sep 2, 1:49 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 56 min |
| Sep 2, 1:58 PM PDT | Red Flag Warning | MFR | Modoc, Siskiyou | 30 hr |
| Sep 2, 2:17 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 28 min |
| Sep 2, 2:21 PM PDT | Excessive Heat Watch | VEF | Inyo, San Bernardino | 13 hr |
| Sep 2, 2:23 PM PDT | Flash Flood Warning | SGX | San Bernardino | 3 hr |
| Sep 2, 2:25 PM PDT | Severe Thunderstorm Warning | SGX | Orange, Riverside | 45 min |
| Sep 2, 2:39 PM PDT | Fire Weather Watch | REV | 39 hr | |
| Sep 2, 2:39 PM PDT | Red Flag Warning | REV | Lassen, Modoc | 32 hr |
| Sep 2, 2:42 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 30 hr |
| Sep 2, 3:01 PM PDT | Flash Flood Warning | LOX | Los Angeles | 119 min |
| Sep 2, 3:44 PM PDT | Severe Thunderstorm Warning | SGX | Riverside, San Diego | 61 min |
| Sep 2, 4:21 PM PDT | Flash Flood Warning | VEF | San Bernardino | 3 hr |
| Sep 2, 7:15 PM PDT | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 24 hr |
| Sep 3, 2:18 AM PDT | Heat Advisory | PSR | 18 hr | |
| Sep 3, 3:39 AM PDT | Excessive Heat Warning | VEF | Inyo, San Bernardino | 15 hr |
| Sep 3, 11:14 AM PDT | Flash Flood Watch | LOX | 7 hr | |
| Sep 3, 12:04 PM PDT | Flash Flood Warning | SGX | San Bernardino | 116 min |
| Sep 3, 1:09 PM PDT | Flash Flood Warning | SGX | Riverside | 3 hr |
| Sep 3, 1:46 PM PDT | Flash Flood Warning | SGX | San Bernardino | 2 hr |
| Sep 3, 2:19 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Lassen, Mono, Nevada, Placer and 2 more | 32 hr |
| Sep 3, 2:36 PM PDT | Flash Flood Warning | VEF | San Bernardino | 114 min |
| Sep 3, 2:49 PM PDT | Red Flag Warning | REV | El Dorado, Lassen, Nevada, Placer, Sierra | 31 hr |
| Sep 3, 3:38 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 37 min |
| Sep 3, 3:49 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 56 min |
| Sep 3, 5:24 PM PDT | Flash Flood Warning | HNX | Kern | 96 min |
| Sep 3, 5:30 PM PDT | Severe Thunderstorm Warning | HNX | Kern | 30 min |
| Sep 3, 7:17 PM PDT | Wind Advisory | LOX | 11 hr | |
| Sep 3, 8:51 PM PDT | Red Flag Warning | LOX | 9 hr | |
| Sep 4, 3:09 AM PDT | Excessive Heat Warning | SGX | Riverside, San Bernardino, San Diego | 15 hr |
| Sep 4, 2:03 PM PDT | Flash Flood Warning | SGX | San Diego | 42 min |
| Sep 4, 2:23 PM PDT | Wind Advisory | LOX | 12 hr | |
| Sep 4, 2:30 PM PDT | Flash Flood Warning | SGX | Riverside | 45 min |
| Sep 4, 2:30 PM PDT | Severe Thunderstorm Warning | SGX | Riverside | 60 min |
| Sep 4, 2:42 PM PDT | Flash Flood Warning | SGX | San Diego | 48 min |
| Sep 4, 2:51 PM PDT | Flash Flood Warning | SGX | Riverside | 69 min |
| Sep 4, 3:03 PM PDT | Severe Thunderstorm Warning | SGX | San Diego | 27 min |
| Sep 4, 3:07 PM PDT | Flash Flood Warning | SGX | San Diego | 68 min |
| Sep 4, 3:20 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 55 min |
| Sep 4, 3:24 PM PDT | Flash Flood Warning | PSR | Imperial | 2 hr |
| Sep 4, 3:33 PM PDT | Dust Storm Warning | PSR | 87 min | |
| Sep 4, 3:48 PM PDT | Severe Thunderstorm Warning | PSR | Imperial | 57 min |
| Sep 4, 4:18 PM PDT | Mesoscale Discussion | SPC | Imperial, Riverside | 2 hr |
| Sep 4, 4:39 PM PDT | Flash Flood Warning | PSR | Imperial | 2 hr |
| Sep 4, 4:54 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 39 min |
| Sep 4, 5:00 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 45 min |
| Sep 4, 5:40 PM PDT | Severe Thunderstorm Warning | VEF | San Bernardino | 26 min |
| Sep 7, 1:31 PM PDT | Dense Smoke Advisory | REV | Lassen, Plumas, Sierra | 20 hr |
| Sep 8, 1:40 PM PDT | Fire Weather Watch | STO | 20 hr | |
| Sep 8, 2:23 PM PDT | Dense Smoke Advisory | REV | Lassen, Plumas, Sierra | 21 hr |
| Sep 9, 9:57 AM PDT | Red Flag Warning | STO | 18 hr | |
| Sep 9, 11:15 AM PDT | Red Flag Warning | MFR | Siskiyou | 21 hr |
| Sep 10, 8:46 AM PDT | Red Flag Warning | MFR | Siskiyou | 2 hr |
| Sep 10, 3:48 PM PDT | Fire Weather Watch | LOX | 23 hr | |
| Sep 11, 9:22 AM PDT | Red Flag Warning | LOX | 5 days | |
| Sep 11, 3:09 PM PDT | Fire Weather Watch | REV | El Dorado, Lassen, Nevada, Placer, Plumas, Sierra | 24 hr |
| Sep 12, 12:43 PM PDT | Red Flag Warning | HNX | 4 hr | |
| Sep 12, 1:19 PM PDT | Fire Weather Watch | MFR | Modoc, Siskiyou | 14 hr |
| Sep 12, 2:30 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 30 hr |
| Sep 12, 3:26 PM PDT | Red Flag Warning | REV | El Dorado, Lassen, Modoc, Nevada, Placer, Plumas and 1 more | 28 hr |
| Sep 13, 2:56 AM PDT | Red Flag Warning | MFR | Siskiyou | 12 hr |
| Sep 13, 4:00 AM PDT | Red Flag Warning | VEF | Inyo, Tulare | 15 hr |
| Sep 13, 12:05 PM PDT | Wind Advisory | VEF | Inyo, San Bernardino | 8 hr |
| Sep 13, 2:07 PM PDT | Wind Advisory | LOX | 14 hr | |
| Sep 13, 2:41 PM PDT | Wind Advisory | VEF | Inyo, San Bernardino | 29 hr |
| Sep 13, 3:09 PM PDT | Red Flag Warning | VEF | Inyo, San Bernardino, Tulare | 29 hr |
| Sep 14, 6:30 AM PDT | Fire Weather Watch | HNX | 8 hr | |
| Sep 14, 6:30 AM PDT | Red Flag Warning | HNX | 38 hr | |
| Sep 14, 10:44 PM PDT | Wind Advisory | LOX | 5 hr | |
| Sep 15, 9:03 AM PDT | Red Flag Warning | SGX | Riverside, San Bernardino, San Diego | 35 hr |
| Sep 15, 3:23 PM PDT | Fire Weather Watch | VEF | Inyo, San Bernardino | 13 hr |
| Sep 15, 7:21 PM PDT | Severe Thunderstorm Warning | PSR | Riverside | 39 min |
| Sep 16, 4:45 AM PDT | Red Flag Warning | VEF | Inyo, San Bernardino | 15 hr |
| Sep 17, 2:25 PM PDT | Fire Weather Watch | VEF | Inyo, San Bernardino, Tulare | 23 hr |
| Sep 17, 3:16 PM PDT | Fire Weather Watch | REV | 24 hr | |
| Sep 18, 1:52 PM PDT | Red Flag Warning | VEF | Inyo, San Bernardino, Tulare | 31 hr |
| Sep 18, 2:29 PM PDT | Wind Advisory | VEF | Inyo, San Bernardino | 31 hr |
| Sep 18, 2:49 PM PDT | Red Flag Warning | REV | 29 hr | |
| Sep 18, 2:50 PM PDT | Wind Advisory | MTR | Marin, City and County of San Francisco, San Mateo, Santa Cruz, Sonoma | 31 hr |
| Sep 18, 3:00 PM PDT | Marine Weather Statement | MTR | 38 hr | |
| Sep 18, 3:26 PM PDT | Wind Advisory | REV | Alpine, El Dorado, Mono, Nevada, Placer | 29 hr |
| Sep 19, 2:50 AM PDT | Dense Fog Advisory | SGX | Orange, Riverside, San Bernardino, San Diego | 6 hr |
| Sep 19, 2:50 AM PDT | Wind Advisory | SGX | Riverside, San Bernardino, San Diego | 47 hr |
| Sep 19, 9:01 AM PDT | Wind Advisory | LOX | 12 hr | |
| Sep 19, 10:02 AM PDT | Wind Advisory | HNX | 12 hr | |
| Sep 19, 11:43 AM PDT | Marine Weather Statement | LOX | 3 days | |
| Sep 19, 2:57 PM PDT | Snow Advisory | MFR | Siskiyou | 8 hr |
| Sep 19, 11:08 PM PDT | Special Marine Warning | MTR | 37 min | |
| Sep 20, 3:30 AM PDT | Frost Advisory | MFR | Modoc, Siskiyou | 30 hr |
| Sep 20, 6:36 AM PDT | Snow Advisory | HNX | 107 min | |
| Sep 20, 8:23 AM PDT | Winter Storm Warning | HNX | 6 hr | |
| Sep 20, 12:07 PM PDT | Flash Flood Watch | SGX | Orange, Riverside, San Bernardino, San Diego | 47 hr |
| Sep 20, 2:36 PM PDT | Winter Storm Watch | HNX | 24 hr | |
| Sep 20, 2:57 PM PDT | Winter Storm Watch | REV | Mono | 24 hr |
| Sep 20, 3:57 PM PDT | Winter Storm Watch | VEF | Inyo | 24 hr |
| Sep 20, 4:29 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 4 hr |
| Sep 21, 2:01 AM PDT | Flash Flood Watch | LOX | Los Angeles, Santa Barbara | 40 hr |
| Sep 21, 2:15 AM PDT | Marine Weather Statement | SGX | 33 hr | |
| Sep 21, 3:15 AM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 15 hr |
| Sep 21, 4:56 AM PDT | Winter Storm Watch | STO | 10 hr | |
| Sep 21, 2:16 PM PDT | Heavy Snow Warning | HNX | 28 hr | |
| Sep 21, 2:16 PM PDT | Snow Advisory | HNX | 9 hr | |
| Sep 21, 2:30 PM PDT | Heavy Snow Warning | REV | Mono | 17 hr |
| Sep 21, 3:02 PM PDT | Flash Flood Watch | VEF | Inyo | 14 hr |
| Sep 21, 3:22 PM PDT | Heavy Snow Warning | STO | 13 hr | |
| Sep 21, 3:48 PM PDT | Heavy Snow Warning | VEF | Inyo | 17 hr |
| Sep 21, 5:38 PM PDT | Tornado Warning | VEF | Inyo, San Bernardino | 23 min |
| Sep 21, 8:56 PM PDT | Snow Advisory | REV | Alpine, El Dorado, Nevada, Placer | 18 hr |
| Sep 21, 9:34 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Sep 21, 10:30 PM PDT | Special Marine Warning | LOX | 15 min | |
| Sep 21, 10:38 PM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 37 min |
| Sep 21, 11:03 PM PDT | Flash Flood Warning | LOX | Los Angeles | 3 hr |
| Sep 21, 11:12 PM PDT | Mesoscale Discussion | SPC | Los Angeles, Orange | 3 hr |
| Sep 21, 11:48 PM PDT | Flash Flood Warning | LOX | Los Angeles | 27 min |
| Sep 21, 11:48 PM PDT | Severe Thunderstorm Warning | LOX | Los Angeles | 27 min |
| Sep 22, 3:57 AM PDT | Snow Advisory | STO | 13 hr | |
| Sep 22, 4:41 AM PDT | Flash Flood Warning | LOX | Los Angeles | 2 hr |
| Sep 22, 12:13 PM PDT | Special Marine Warning | SGX | 60 min | |
| Sep 22, 1:57 PM PDT | Severe Thunderstorm Warning | REV | Lassen | 63 min |
| Sep 22, 6:15 PM PDT | Severe Thunderstorm Warning | HNX | Kings, Tulare | 45 min |
| Sep 22, 6:40 PM PDT | Flash Flood Warning | HNX | Kings | 2 hr |
| Sep 22, 8:24 PM PDT | Severe Thunderstorm Warning | HNX | Fresno | 36 min |
| Sep 22, 9:03 PM PDT | Flash Flood Warning | HNX | Fresno | 3 hr |
| Sep 22, 9:54 PM PDT | Flash Flood Warning | HNX | Tulare | 3 hr |
| Sep 23, 3:14 AM PDT | Frost Advisory | MFR | Siskiyou | 29 hr |
| Sep 23, 3:14 AM PDT | Hard Freeze Warning | MFR | Modoc, Siskiyou | 29 hr |
| Sep 24, 2:37 PM PDT | Frost Advisory | MFR | Siskiyou | 18 hr |
| Sep 24, 2:37 PM PDT | Hard Freeze Warning | MFR | Modoc, Siskiyou | 18 hr |
| Sep 25, 2:30 PM PDT | Frost Advisory | MFR | Modoc, Siskiyou | 19 hr |
| Sep 26, 2:01 PM PDT | Frost Advisory | MFR | Modoc, Siskiyou | 19 hr |
| Sep 27, 2:51 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 32 hr |
| Sep 27, 3:24 PM PDT | Freeze Watch | MFR | Modoc, Siskiyou | 11 hr |
| Sep 28, 2:11 AM PDT | Frost Advisory | MFR | Siskiyou | 31 hr |
| Sep 28, 2:11 AM PDT | Freeze Warning | MFR | Modoc, Siskiyou | 31 hr |
| Sep 28, 2:23 PM PDT | Wind Advisory | LOX | 7 hr | |
| Sep 29, 2:42 PM PDT | Lake Wind Advisory | REV | Alpine, El Dorado, Nevada, Placer | 43 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 26 |
| Tornado Warning | 6 |
| Mesoscale Discussion | 2 |
| Flooding | |
| Flash Flood Warning | 34 |
| Flash Flood Watch | 9 |
| Winter | |
| Heavy Snow Warning | 4 |
| Winter Storm Warning | 1 |
| Winter Storm Watch | 4 |
| Snow Advisory | 5 |
| Heat | |
| Excessive Heat Warning | 7 |
| Excessive Heat Watch | 1 |
| Heat Advisory | 2 |
| Cold | |
| Freeze Warning | 1 |
| Hard Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 6 |
| Wind and dust | |
| Dust Storm Warning | 2 |
| Lake Wind Advisory | 7 |
| Wind Advisory | 13 |
| Fire | |
| Red Flag Warning | 18 |
| Fire Weather Watch | 11 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
| Dense Smoke Advisory | 2 |
| Marine | |
| Special Marine Warning | 3 |
| Marine Weather Statement | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- San Bernardino County38
- Riverside County24
- San Diego County19
- Inyo County17
- Siskiyou County17
- Los Angeles County14
- Modoc County13
- El Dorado County12
- Nevada County12
- Placer County12
- Kern County10
- Lassen County10
- Alpine County9
- Imperial County7
- Sierra County7
- Orange County6
- Plumas County6
- Tulare County6
- Mono County5
- Kings County2
- Fresno County2
- Marin County1
- City and County of San Francisco1
- San Mateo County1
- Santa Cruz County1
- Sonoma County1
- Santa Barbara County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20062008
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.